using System;
using System.IO;
using FreeImageAPI;

namespace Sample03
{
    class Program
    {
        static void Main(string[] args)
        {
            // Check if FreeImage.dll is available (can be in %path%).
            if (!FreeImage.IsAvailable())
            {
                Console.WriteLine("FreeImage.dll seems to be missing. Aborting.");
                return;
            }

            // Add this class to the message event
            FreeImageEngine.Message += new OutputMessageFunction(FreeImage_Message);

            Sample sample = new Sample();
            sample.Example();

            // Remove this class from the message event
            FreeImageEngine.Message -= new OutputMessageFunction(FreeImage_Message);
        }

        static void FreeImage_Message(FREE_IMAGE_FORMAT fif, string message)
        {
            Console.WriteLine("Error for {0}: {1}", fif.ToString(), message);
        }
    }

    public class Sample
    {
        FIBITMAP dib = new FIBITMAP();

        public void Example()
        {
            // Allocating a new bitmap with 99x99 pixels, 16-bit color depth and an allocation of 5 bits for each color.
            dib = FreeImage.Allocate(99, 99, 16, FreeImage.FI16_555_RED_MASK, FreeImage.FI16_555_GREEN_MASK, FreeImage.FI16_555_BLUE_MASK);

            // Saving bitmap.
            if (!FreeImage.SaveEx(ref dib, "example01.bmp", true))
            {
                Console.WriteLine("Saving 'example.bmp' failed.");
                FreeImage.UnloadEx(ref dib);
            }

            // Allocation a new bitmap with 71x33 pixels, 4-bit color depth. Bitmaps below 16-bit have paletts.
            // Each pixel references an index within the palette wich contains the true color.
            // Therefor no bit-masks are needed and can be set to 0.
            dib = FreeImage.Allocate(71, 33, 4, 0, 0, 0);

            // Saving bitmap.
            if (!FreeImage.SaveEx(ref dib, "example02.tif", true))
            {
                Console.WriteLine("Saving 'example02.tif' failed.");
                FreeImage.UnloadEx(ref dib);
            }

            // Allocation a new bitmap. This time 'AllocateT' is used because 'Allocate' can only create standard bitmaps.
            // In this case a RGBF bitmap is created. Red, green and blue are represented by a float-value so no bit-masks are needed.
            dib = FreeImage.AllocateT(FREE_IMAGE_TYPE.FIT_RGBF, 50, 75, 9, 0, 0, 0);

            // Saving bitmap.
            if (!FreeImage.SaveEx(ref dib, "example03.hdr", true))
            {
                Console.WriteLine("Saving 'example03.hdr' failed.");
                FreeImage.UnloadEx(ref dib);
            }
        }
    }
}
